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package de.rpgframework.genericrpg.items;

import org.prelle.simplepersist.Attribute;

import de.rpgframework.genericrpg.items.formula.FormulaTool;

/**
 * @author prelle
 *
 */
public class Usage {

	@Attribute
	private CarryMode mode;
	@Attribute 
	private Hook slot;
	@Attribute
	private String value;
	/**
	 * Generic kind of additional info - may be interpreted by rulesystems
	 */
	@Attribute
	private String type;
	private transient Formula parsedValue;
	
	//-------------------------------------------------------------------
	public Usage() {
		mode = CarryMode.CARRIED;
	}
	
	//-------------------------------------------------------------------
	public Usage(CarryMode mode) {
		this.mode = mode;
	}
	
	//-------------------------------------------------------------------
	public Usage(CarryMode mode, Hook slot) {
		this.mode = mode;
		this.slot = slot;
	}

	//-------------------------------------------------------------------
	public String toString() {
		switch (mode) {
		case CARRIED: return mode.name();
		case EMBEDDED: 
			return mode.name()+" into "+slot+((value!=null)?(" for "+value+" capacity"):"");
		case IMPLANTED:
			return mode.name()+((value!=null)?(" for "+value+" essence"):"");
		}
		return mode.name();
	}

	//-------------------------------------------------------------------
	/**
	 * @return the mode
	 */
	public CarryMode getMode() {
		return mode;
	}

	//-------------------------------------------------------------------
	/**
	 * @return the slot
	 */
	@SuppressWarnings("unchecked")
	public  H getSlot() {
		return (H)slot;
	}


	//-------------------------------------------------------------------
	public Formula getFormula() {
		if (parsedValue==null && value!=null)
			parsedValue = FormulaTool.tokenize(value);
		
		return parsedValue;
	}

	//-------------------------------------------------------------------
	public void setFormula(Formula value) {
		parsedValue = value;
	}

	//-------------------------------------------------------------------
	/**
	 * Returns the declaration like it appears in the XML definition.
	 * Use this method, if the value contains variables/formulas
	 */
	public String getRawValue() {
		return value;
	}
	public void setRawValue(String val) {
		value = val;
	}

	//-------------------------------------------------------------------
	/** Shortcut for getFormula().getAsFloat() */
	public float getSize() {
		if (getFormula().isFloat())
			return getFormula().getAsFloat();
		return ((float)getFormula().getAsInteger())/1000;
	}

	//-------------------------------------------------------------------
	/**
	 * Returns an uninterpreted type attribute
	 * @return the type
	 */
	public String getType() {
		return type;
	}

	//-------------------------------------------------------------------
	public  void setSlot(H slot) {
		this.slot = slot;
	}

}